Vaisala TACMET MAWS201MP, Руководство пользователя

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Chapter 3 ________________________________________________________________ Operation
VAISALA _______________________________________________________________________ 69
Table 20 Thresholds That Initiate Automatic SPECI Report
Measured Parameter Threshold
Wind direction 60 deg
Wind speed 5 m/s (9.7 kt)
Gust 5 m/s (9.7 kt)
Air pressure Changes by 0.3 hPa (0.01 inches Hg) from
the previous METAR
Cloud layer When a cloud layer with an octa of
5 ... 8 (BKN/OVC) goes below
100 ft (30.48m), 200 ft (60.96m),
300 ft (91.44m), 500 ft (152.40m),
700 ft (213.36m), 1000 ft (304.80m),
1500 ft (457.20m), or
3000 ft (914.41m).
Vertical visibility When the visibility goes below:
100 ft (30.48m), 200 ft (60.96m),
300 ft (91.44m), 500 ft (152.40m),
700 ft (213.36m), 1000 ft (304.80m),
or 1500 ft (457.20m).
The buttons in the US METAR template are described in Table 21
below.
Table 21 Buttons in US METAR Template
Button Description
BUILD Builds and validates the report
SEND Saves the report to hard disk, or sends the report to
the external interface
WIND SHEAR Opens the Wind Shear Data window for selecting the
runways with wind shear
Old Enters the previous TREND in the TREND field
The US METAR template functions can be selected from the menu
bar. The typical menus and menu commands are presented in the
following tables. Depending on the system configuration, all options
may not be available.